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Showing posts with label NDA NA Questions. Show all posts
Showing posts with label NDA NA Questions. Show all posts

Friday, 9 October 2015

NDA NA EXAM (II) 2015 Solved Paper General Ability Test

NDA NA EXAM (II) 2015 Solved Paper General Ability Test

NDA NA II 2015 Solved Question Paper with Answer Key

Click on respective question to check its answer:

The term Regur is used to mean

Question 84 The term 'Regur' is used to mean:

A) Laterite soil
B) Deltaic soil
C) Red soil
D) Black cotton soil

Answer: Black cotton soil

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Which one of the following vitamins is synthesized in our own skin?

Question 86 Which one of the following vitamins is synthesized in our own skin?

A) Vitamin A
B) Vitamin B
C) Vitamin C
D) Vitamin D

Answer: Vitamin D

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SI unit of the thermal conductivity of a material

Question 87 Which one of the following is the SI unit of the thermal conductivity of a material?

A) Wm-1K-1
B) Wm/K
C) Wm-1/K-1
D) Js-1m-1K
Answer: Wm-1K-1

Explanation: In SI units, thermal conductivity is measured in watts per meter kelvin (W/(m. K))

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Which one of the following is the correct sequence about various levels of organization of Biosphere?

Question 90 Which one of the following is the correct sequence about various levels of organization of Biosphere?

A) Eco system - Biosphere - Community - Population
B) Populatio - Organism - Eco system  - Biosphere
C) Organism - Community - Population - Biosphere
D) Organsim - Population - Eco system - Biosphere
Answer:  Organsim - Population - Eco system - Biosphere

Explanation : Actual order of levels of organization of Biosphere is Organsim - Population - Community - Eco system - Biosphere

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Carbon and energy requirements of autotrophic organisms are fulfilled by

Question 92 Carbon and energy requirements of autotrophic organisms are fulfilled by:

A) Photosynthesis
B) Gluconeogenesis
C) Glycogenesis
D) External sources

Answer: Photosynthesis

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Which one of the following describes the Lithosphere?

Question 94 Which one of the following describes the Lithosphere?

A) Upper and lower mantle
B) Crust and upper mantle
C) Crust and core
D) Mantle and core

Answer: Crust and upper mantle

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Which of the following statements regarding heavy water are correct?

Question 95 Which of the following statements regarding heavy water are correct?

1. It is extensively used as a moderator in nuclear reactors
2. It cannot be used in exchange reaction to study reaction mechanism
3. Viscosity of heavy water is relatively smaller than that of ordinary water
4. The dielectric constant of heavy water is smaller than that of ordinary water
Select the correct answer using the code given below:
A) 1 and 2
B) 2 and 3
C) 3 and 4
D) 1 and 4

Answer: 1 and 4

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Conservation of momentum in a collision between particles can be understood on the basis of

Question 96 Conservation of momentum in a collision between particles can be understood on the basis of:

A) Newton's first law of motion
B) Newton's second law of motion
C) Both Newton's second law of motion and Newton's third law of motion
D) Conservation of energy

Answer: Both Newton's second law of motion and Newton's third law of motion

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To weld metals together, high temperature is required. Such a high temperature is obtained by burning

Question 98 To weld metals together, high temperature is required. Such a high temperature is obtained by burning:

A) Acetylene in oxygen
B) LPG in oxygen
C) Methane in oxygen
D) Acetylene in nitrogen

Answer: Acetylene in oxygen

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Magnetic meridian is an imaginary

Question 100 Magnetic meridian is an imaginary

A) line along north-south
B) point
C) vertical plane
D) horizontal plane

Answer: line along north-south

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An up fold in rock is

Question 101 An up fold in rock is:

A) graben
B) horse
C) anticline
D) syncline

Answer: anticline

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In blood, platelets are required for

Question 103 In blood, platelets are required for:

A) transporting oxygen
B) transporting carbon dioxide
C) initiating blood clotting
D) initiating degradation of urea

Answer: initiating blood clotting

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SI unit of force 'Newton' (N) is given by

Question 104 In SI unit of force 'Newton' (N) is given by (where m stands for metre and s stands for second);

A) 1 N = 1 kg/ms2
B) 1N = 1kgm/s2
C) 1N = 1 kgs2/m
D)1 N = 1 kgms2

Answer: 1N = 1kgm/s2

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Which one of the following is not a site of action in human body for the malarial parasite plasmodium?

Question 108 Which one of the following is not a site of action in human body for the malarial parasite plasmodium?

A) liver
B) kidney
C) Red blood cell
D) Brain

Answer: Brain

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The loudness of sound is related to

Question 109 The loudness of sound is related to:

A) its frequency
B) its amplitude
C) its speed
D) its pitch

Answer: its amplitude

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X-rays are the electromagnetic radiation whose wavelengths are of the order of

Question 110 X-rays are the electromagnetic radiation whose wavelengths are of the order of:

A) 1 metre
B) 10 to the power (-1) metre
C) 10 to the power (-5) metre
D) 10 to the power (-10) metre

Answer: 10 to the power (-10) metre

Explanation: X-rays are electromagnetic waves with wavelengths in the range of 0.01 to 10 nanometers.

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symbol of the element Tungsten

Question 112 The symbol of the element 'Tungsten' is:

A) Ta
B) W
C) Tl
D) Tc

Answer: W

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